let person = {
    name: "le",
    age: 18,
    run: function () {
        console.log(this.name + " run...")
    }
};

person.run();

let xiaoming = {
    name: "xiaoming",
    age: 16
};
// 原型对象, 可以理解为父类
xiaoming.__proto__ = person;
xiaoming.run();
